Ключевые слова: building, control, crane, device, engineering, equipment, excavation, factory, gear, handle, heavy, hook, hydraulic, industry, instrument, iron, job, joystick, lever, lifting, machine, manual, mechanical, metal, move, old, operator, panel, part, power, pressure, pull, push, raise, safety, shaft, stick, switch, system, tool, truck, vehicle, working, workplace,